128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
// (C) Copyright John Maddock 2006.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#define BOOST_MATH_MAX_SERIES_ITERATION_POLICY 10000000
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#include <boost/math/special_functions/hypergeometric_1f1.hpp>
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#include <boost/math/special_functions/hypergeometric_pfq.hpp>
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#include <boost/math/constants/constants.hpp>
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#include <boost/lexical_cast.hpp>
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#include <fstream>
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#include <map>
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#include <boost/math/tools/test_data.hpp>
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#include <boost/random.hpp>
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#define BOOST_MATH_USE_MPFR
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#include "mp_t.hpp"
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#include <boost/multiprecision/mpfr.hpp>
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using namespace boost::math::tools;
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using namespace boost::math;
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using namespace std;
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using namespace boost::multiprecision;
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struct hypergeometric_1f1_gen
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{
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mp_t operator()(mp_t a1, mp_t a2, mp_t z)
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{
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mp_t result;
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try {
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result = (mp_t)boost::math::hypergeometric_pFq_precision({ mpfr_float(a1) }, { mpfr_float(mpfr_float(a2)) }, mpfr_float(z), 50, 25.0) / boost::multiprecision::tgamma(a2);
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std::cout << a1 << " " << a2 << " " << z << " " << result << std::endl;
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}
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catch (...)
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{
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throw std::domain_error("");
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}
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if (fabs(result) > (std::numeric_limits<double>::max)())
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{
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std::cout << "Rejecting over large value\n";
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throw std::domain_error("");
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}
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return result;
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}
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};
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int main(int, char* [])
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{
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parameter_info<mp_t> arg1, arg2, arg3;
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test_data<mp_t> data;
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std::cout << "Welcome.\n"
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"This program will generate spot tests for 1F1 (Yeh!!):\n";
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std::string line;
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//bool cont;
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std::vector<mp_t> v;
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random_ns::mt19937 rnd;
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random_ns::uniform_real_distribution<float> ur_a(0, 1);
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mp_t p = ur_a(rnd);
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p *= 1e6;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e5;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e4;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e3;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e2;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e-5;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e-12;
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v.push_back(p);
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v.push_back(-p);
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p = ur_a(rnd);
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p *= 1e-30;
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v.push_back(p);
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v.push_back(-p);
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for (unsigned i = 0; i < v.size(); ++i)
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{
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for (unsigned j = 0; j < v.size(); ++j)
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{
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for (unsigned k = 0; k < v.size(); ++k)
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{
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std::cout << i << " " << j << " " << k << std::endl;
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std::cout << v[i] << " " << (v[j] * 3) / 2 << " " << (v[j] * 5) / 4 << std::endl;
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arg1 = make_single_param(v[i]);
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arg2 = make_single_param(mp_t((v[j] * 3) / 2));
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arg3 = make_single_param(mp_t((v[k] * 5) / 4));
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data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
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}
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}
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}
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std::cout << "Enter name of test data file [default=hypergeometric_1f1.ipp]";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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if(line == "")
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line = "hypergeometric_1f1.ipp";
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std::ofstream ofs(line.c_str());
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ofs << std::scientific << std::setprecision(40);
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write_code(ofs, data, line.c_str());
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return 0;
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}
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